mirror of https://github.com/folke/lazy.nvim.git
271 lines
7.0 KiB
Lua
271 lines
7.0 KiB
Lua
local Config = require("lazy.core.config")
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local Util = require("lazy.util")
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local ViewConfig = require("lazy.view.config")
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---@class LazyFloatOptions
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---@field buf? number
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---@field file? string
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---@field margin? {top?:number, right?:number, bottom?:number, left?:number}
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---@field size? {width:number, height:number}
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---@field zindex? number
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---@field style? "" | "minimal"
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---@field border? "none" | "single" | "double" | "rounded" | "solid" | "shadow"
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---@field title? string
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---@field title_pos? "center" | "left" | "right"
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---@field persistent? boolean
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---@field ft? string
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---@field noautocmd? boolean
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---@class LazyFloat
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---@field buf number
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---@field win number
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---@field opts LazyFloatOptions
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---@field win_opts LazyWinOpts
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---@overload fun(opts?:LazyFloatOptions):LazyFloat
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local M = {}
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setmetatable(M, {
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__call = function(_, ...)
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return M.new(...)
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end,
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})
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---@param opts? LazyFloatOptions
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function M.new(opts)
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local self = setmetatable({}, { __index = M })
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return self:init(opts)
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end
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---@param opts? LazyFloatOptions
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function M:init(opts)
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require("lazy.view.colors").setup()
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self.opts = vim.tbl_deep_extend("force", {
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size = Config.options.ui.size,
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style = "minimal",
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border = Config.options.ui.border or "none",
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zindex = 50,
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}, opts or {})
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---@class LazyWinOpts
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---@field width number
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---@field height number
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---@field row number
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---@field col number
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self.win_opts = {
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relative = "editor",
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style = self.opts.style ~= "" and self.opts.style or nil,
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border = self.opts.border,
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zindex = self.opts.zindex,
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noautocmd = self.opts.noautocmd,
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title = self.opts.title,
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title_pos = self.opts.title and self.opts.title_pos or nil,
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}
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self:mount()
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self:on_key(ViewConfig.keys.close, self.close)
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self:on({ "BufDelete", "BufHidden" }, self.close, { once = true })
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return self
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end
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function M:layout()
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local function size(max, value)
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return value > 1 and math.min(value, max) or math.floor(max * value)
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end
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self.win_opts.width = size(vim.o.columns, self.opts.size.width)
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self.win_opts.height = size(vim.o.lines, self.opts.size.height)
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self.win_opts.row = math.floor((vim.o.lines - self.win_opts.height) / 2)
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self.win_opts.col = math.floor((vim.o.columns - self.win_opts.width) / 2)
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if self.opts.border ~= "none" then
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self.win_opts.row = self.win_opts.row - 1
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self.win_opts.col = self.win_opts.col - 1
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end
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if self.opts.margin then
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if self.opts.margin.top then
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self.win_opts.height = self.win_opts.height - self.opts.margin.top
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self.win_opts.row = self.win_opts.row + self.opts.margin.top
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end
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if self.opts.margin.right then
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self.win_opts.width = self.win_opts.width - self.opts.margin.right
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end
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if self.opts.margin.bottom then
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self.win_opts.height = self.win_opts.height - self.opts.margin.bottom
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end
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if self.opts.margin.left then
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self.win_opts.width = self.win_opts.width - self.opts.margin.left
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self.win_opts.col = self.win_opts.col + self.opts.margin.left
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end
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end
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end
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function M:mount()
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if self:buf_valid() then
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-- keep existing buffer
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self.buf = self.buf
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elseif self.opts.file then
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self.buf = vim.fn.bufadd(self.opts.file)
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vim.bo[self.buf].readonly = true
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vim.bo[self.buf].swapfile = false
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vim.fn.bufload(self.buf)
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vim.bo[self.buf].modifiable = false
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elseif self.opts.buf then
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self.buf = self.opts.buf
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else
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self.buf = vim.api.nvim_create_buf(false, true)
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end
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self:layout()
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self.win = vim.api.nvim_open_win(self.buf, true, self.win_opts)
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self:focus()
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if vim.bo[self.buf].buftype == "" then
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vim.bo[self.buf].buftype = "nofile"
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end
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if vim.bo[self.buf].filetype == "" then
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vim.bo[self.buf].filetype = self.opts.ft or "lazy"
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end
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local function opts()
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vim.bo[self.buf].bufhidden = self.opts.persistent and "hide" or "wipe"
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Util.wo(self.win, "conceallevel", 3)
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Util.wo(self.win, "foldenable", false)
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Util.wo(self.win, "spell", false)
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Util.wo(self.win, "wrap", true)
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Util.wo(self.win, "winhighlight", "Normal:LazyNormal")
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Util.wo(self.win, "colorcolumn", "")
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end
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opts()
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vim.api.nvim_create_autocmd("VimResized", {
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callback = function()
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if not (self.win and vim.api.nvim_win_is_valid(self.win)) then
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return true
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end
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self:layout()
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local config = {}
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for _, key in ipairs({ "relative", "width", "height", "col", "row" }) do
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---@diagnostic disable-next-line: no-unknown
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config[key] = self.win_opts[key]
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end
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config.style = self.opts.style ~= "" and self.opts.style or nil
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vim.api.nvim_win_set_config(self.win, config)
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opts()
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vim.api.nvim_exec_autocmds("User", { pattern = "LazyFloatResized", modeline = false })
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end,
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})
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end
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---@param events string|string[]
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---@param fn fun(self?):boolean?
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---@param opts? table
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function M:on(events, fn, opts)
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if type(events) == "string" then
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events = { events }
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end
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for _, e in ipairs(events) do
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local event, pattern = e:match("(%w+) (%w+)")
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event = event or e
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vim.api.nvim_create_autocmd(
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event,
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vim.tbl_extend("force", {
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pattern = pattern,
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buffer = (not pattern) and self.buf or nil,
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callback = function()
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return fn(self)
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end,
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}, opts or {})
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)
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end
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end
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---@param key string
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---@param fn fun(self?)
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---@param desc? string
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function M:on_key(key, fn, desc)
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vim.keymap.set("n", key, function()
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fn(self)
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end, {
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nowait = true,
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buffer = self.buf,
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desc = desc,
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})
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end
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---@param opts? {wipe:boolean}
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function M:close(opts)
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local buf = self.buf
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local win = self.win
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local wipe = opts and opts.wipe
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if wipe == nil then
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wipe = not self.opts.persistent
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end
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self.win = nil
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if wipe then
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self.buf = nil
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end
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vim.schedule(function()
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if win and vim.api.nvim_win_is_valid(win) then
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vim.api.nvim_win_close(win, true)
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end
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if wipe and buf and vim.api.nvim_buf_is_valid(buf) then
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vim.diagnostic.reset(Config.ns, buf)
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vim.api.nvim_buf_delete(buf, { force = true })
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end
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end)
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end
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function M:win_valid()
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return self.win and vim.api.nvim_win_is_valid(self.win)
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end
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function M:buf_valid()
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return self.buf and vim.api.nvim_buf_is_valid(self.buf)
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end
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function M:hide()
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if self:win_valid() then
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self:close({ wipe = false })
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end
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end
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function M:toggle()
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if self:win_valid() then
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self:hide()
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return false
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else
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self:show()
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return true
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end
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end
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function M:show()
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if self:win_valid() then
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self:focus()
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elseif self:buf_valid() then
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self:mount()
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else
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error("LazyFloat: buffer closed")
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end
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end
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function M:focus()
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vim.api.nvim_set_current_win(self.win)
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-- it seems that setting the current win doesn't work before VimEnter,
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-- so do that then
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if vim.v.vim_did_enter ~= 1 then
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vim.api.nvim_create_autocmd("VimEnter", {
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once = true,
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callback = function()
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if self.win and vim.api.nvim_win_is_valid(self.win) then
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pcall(vim.api.nvim_set_current_win, self.win)
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end
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return true
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end,
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})
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end
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end
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return M
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